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Ionic Liquids as Extraction Media in a T

Cyril Micheau, Guilhem Arrachart

2026entantalumionic liquidsmetal recoveryrecyclinge-wastegreen chemistry

Abstract

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The unique properties of tantalum (Ta) have resulted in its important usage to supply the capacitors and semiconductor production for electronics devices. Technological needs make Ta economically and strategically important to industrialized countries. Among different possibilities, the recovery of Ta from industrial waste and end-of-life products represents an economically attractive and viable approach, which aims at decreasing the environmental footprint in general. Currently, there is a lack of an efficient Ta recycling strategy from e-waste. In the present work, we studied the possibility to use pure ionic liquids such as N-butyl-N-ethyl-piperidinium bis(trifluoromethylsulfonyl)imide (EBPiP-NTf2) and N-octyl for a two-step eco-friendly process designed specifically for the selective extraction of tantalum. By assessing the efficiency of these ionic liquids in tantalum recovery, we aimed to establish a more sustainable method for recycling this critical material from electronic waste, thus addressing both environmental concerns and resource conservation in the electronics industry.

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Cite This Work

@article{08acebb8-fc2f-4b88-9f59-3a6e888ec069,
  title={Ionic Liquids as Extraction Media in a T},
  author={Cyril Micheau and Guilhem Arrachart},
  year={2026},
  language={en}
}
TY  - JOUR
TI  - Ionic Liquids as Extraction Media in a T
AU  - Cyril Micheau
AU  - Guilhem Arrachart
PY  - 2026
LA  - en
ER  -

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